package test1;

class MyBlockingQueue {
    private String[] date = new String[1000];

    private volatile int head=0;

    private volatile int tail=0;

    private volatile int size=0;

    public void put(String elem) throws InterruptedException {
        synchronized(this) {
            while (size == date.length) {
                this.wait();
            }
            date[tail] = elem;
            tail++;
            if (tail == date.length) {
                tail = 0;
            }
            size++;
            this.notify();
        }
    }

    public String take() throws InterruptedException {
        synchronized(this) {
            while (size == 0) {
                this.wait();
            }
            String ret = date[head];
            head++;
            if (head == date.length) {
                head = 0;
            }
            size--;
            this.notify();
            return ret;
        }
    }
}


public class demo1 {
    public static void main(String[] args){
        MyBlockingQueue queue = new MyBlockingQueue();
        //消费者
        Thread t1=new Thread(()->{
           while(true){
               try{
                   String result=queue.take();
                   System.out.println("消费元素："+result);
               }catch(InterruptedException e){
                   throw new RuntimeException(e);
               }
           }
        });

        Thread t2=new Thread(()->{
            int num = 1;
            while (true){
                try {
                    queue.put(num+"");
                    System.out.println("生产元素："+num);
                    num++;
                    Thread.sleep(500);
                }catch (InterruptedException e){
                    throw new RuntimeException(e);
                }
            }
        });

        t1.start();
        t2.start();
    }
}
